aboutsummaryrefslogtreecommitdiff
path: root/src/libutf/utflen.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libutf/utflen.c')
-rw-r--r--src/libutf/utflen.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/libutf/utflen.c b/src/libutf/utflen.c
new file mode 100644
index 00000000..a10a5318
--- /dev/null
+++ b/src/libutf/utflen.c
@@ -0,0 +1,38 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "utf.h"
+#include "utfdef.h"
+
+int
+utflen(char *s)
+{
+ int c;
+ long n;
+ Rune rune;
+
+ n = 0;
+ for(;;) {
+ c = *(uchar*)s;
+ if(c < Runeself) {
+ if(c == 0)
+ return n;
+ s++;
+ } else
+ s += chartorune(&rune, s);
+ n++;
+ }
+ return 0;
+}